constify

[openssl.git] / crypto / ocsp / ocsp_lib.c

diff --git a/crypto/ocsp/ocsp_lib.c b/crypto/ocsp/ocsp_lib.c
index 18511e4fd89266348e306b7b7190a4a2ea646fb7..2678e222dd14eaf18506af1018732a6985aca3e7 100644 (file)
--- a/crypto/ocsp/ocsp_lib.c
+++ b/crypto/ocsp/ocsp_lib.c
@@ -69,6 +69,7 @@
 #include <openssl/pem.h>
 #include <openssl/x509v3.h>
 #include <openssl/ocsp.h>
+#include <openssl/asn1t.h>
 
 /* Convert a certificate and its issuer to an OCSP_CERTID */
 
@@ -77,11 +78,19 @@ OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, X509 *subject, X509 *issuer)
        X509_NAME *iname;
        ASN1_INTEGER *serial;
        ASN1_BIT_STRING *ikey;
-#ifndef NO_SHA1
+#ifndef OPENSSL_NO_SHA1
        if(!dgst) dgst = EVP_sha1();
 #endif
-       iname = X509_get_issuer_name(subject);
-       serial = X509_get_serialNumber(subject);
+       if (subject)
+               {
+               iname = X509_get_issuer_name(subject);
+               serial = X509_get_serialNumber(subject);
+               }
+       else
+               {
+               iname = X509_get_subject_name(issuer);
+               serial = NULL;
+               }
        ikey = X509_get0_pubkey_bitstr(issuer);
        return OCSP_cert_id_new(dgst, iname, ikey, serial);
 }
@@ -104,7 +113,7 @@ OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst,
        if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm);
        if ((nid = EVP_MD_type(dgst)) == NID_undef)
                {
-               OCSPerr(OCSP_F_CERT_ID_NEW,OCSP_R_UNKNOWN_NID);
+               OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID);
                goto err;
                }
        if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err;
@@ -115,15 +124,19 @@ OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst,
        if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err;
 
        /* Calculate the issuerKey hash, excluding tag and length */
-       EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst);
+       if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL))
+               goto err;
 
        if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err;
-       
-       if (cid->serialNumber != NULL) ASN1_INTEGER_free(cid->serialNumber);
-       if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
+
+       if (serialNumber)
+               {
+               ASN1_INTEGER_free(cid->serialNumber);
+               if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
+               }
        return cid;
 digerr:
-       OCSPerr(OCSP_F_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
+       OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
 err:
        if (cid) OCSP_CERTID_free(cid);
        return NULL;
@@ -147,20 +160,107 @@ int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
        return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber);
        }
 
-/* XXX assumes certs in signature are sorted root to leaf XXX */
-int OCSP_request_verify(OCSP_REQUEST *req, EVP_PKEY *pkey)
-        {
-       STACK_OF(X509) *sk;
 
-       if (!req->optionalSignature) return 0;
-       if (pkey == NULL)
-               {
-               if (!(sk = req->optionalSignature->certs)) return 0;
-               if (!(pkey=X509_get_pubkey(sk_X509_value(sk, sk_X509_num(sk)-1))))
-                       {
-                       OCSPerr(OCSP_F_REQUEST_VERIFY,OCSP_R_NO_PUBLIC_KEY);
-                       return 0;
-                       }
+/* Parse a URL and split it up into host, port and path components and whether
+ * it is SSL.
+ */
+
+int OCSP_parse_url(const char *url, char **phost, char **pport, char **ppath, int *pssl)
+       {
+       char *p, *buf;
+
+       char *host, *port;
+
+       *phost = NULL;
+       *pport = NULL;
+       *ppath = NULL;
+
+       /* dup the buffer since we are going to mess with it */
+       buf = BUF_strdup(url);
+       if (!buf) goto mem_err;
+
+       /* Check for initial colon */
+       p = strchr(buf, ':');
+
+       if (!p) goto parse_err;
+
+       *(p++) = '\0';
+
+       if (!strcmp(buf, "http"))
+               {
+               *pssl = 0;
+               port = "80";
+               }
+       else if (!strcmp(buf, "https"))
+               {
+               *pssl = 1;
+               port = "443";
                }
-       return OCSP_REQUEST_verify(req, pkey);
-        }
+       else
+               goto parse_err;
+
+       /* Check for double slash */
+       if ((p[0] != '/') || (p[1] != '/'))
+               goto parse_err;
+
+       p += 2;
+
+       host = p;
+
+       /* Check for trailing part of path */
+
+       p = strchr(p, '/');
+
+       if (!p) 
+               *ppath = BUF_strdup("/");
+       else
+               {
+               *ppath = BUF_strdup(p);
+               /* Set start of path to 0 so hostname is valid */
+               *p = '\0';
+               }
+
+       if (!*ppath) goto mem_err;
+
+       /* Look for optional ':' for port number */
+       if ((p = strchr(host, ':')))
+               {
+               *p = 0;
+               port = p + 1;
+               }
+       else
+               {
+               /* Not found: set default port */
+               if (*pssl) port = "443";
+               else port = "80";
+               }
+
+       *pport = BUF_strdup(port);
+       if (!*pport) goto mem_err;
+
+       *phost = BUF_strdup(host);
+
+       if (!*phost) goto mem_err;
+
+       OPENSSL_free(buf);
+
+       return 1;
+
+       mem_err:
+       OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE);
+       goto err;
+
+       parse_err:
+       OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL);
+
+
+       err:
+       if (buf) OPENSSL_free(buf);
+       if (*ppath) OPENSSL_free(*ppath);
+       if (*pport) OPENSSL_free(*pport);
+       if (*phost) OPENSSL_free(*phost);
+       return 0;
+
+       }
+
+IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID)